Mathematics is merely the means to a general and ultimate knowledge of man.

What doesn't kill you, only makes you stronger

The sensible author writes for no other posterity than his own--that is, for his age--so as to be able even then to take pleasurein himself.

Mothers easily become jealous of their sons' friends when they are particularly successful. As a rule a mother loves herself in her son more than she does the son himself.

Out of love, women become entirely what it is that they are in the imaginations of the men who love them.

Contentment preserves one from catching cold. Has a woman who knew that she was well dressed ever caught a cold? No, not even when she had scarcely a rag on her back.

Marriage marks the end of many short follies - being one long stupidity.